Next Steps in Signaling (nsis)
------------------------------
Charter
Last Modified: 2006-10-13
Current Status: Active Working Group
Chair(s):
John Loughney
Martin Stiemerling
Transport Area Director(s):
Magnus Westerlund
Lars Eggert
Transport Area Advisor:
Magnus Westerlund
Secretary(ies):
Hannes Tschofenig
Mailing Lists:
General Discussion:nsis@ietf.org
To Subscribe: nsis-request@ietf.org
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Archive: http://www.ietf.org/mail-archive/web/nsis/index.html
Description of Working Group:
The Next Steps in Signaling Working Group is responsible for
standardizing an IP signaling protocol with QoS signaling as the first
use case. This working group will concentrate on a two-layer
signaling paradigm. The intention is to re-use, where appropriate,
the protocol mechanisms of RSVP, while at the same time simplifying it
and applying a more general signaling model.
The existing work on the requirements, the framework and analysis of
existing protocols will be completed and used as input for the
protocol work.
NSIS will develop a transport layer signaling protocol for the
transport of upper layer signaling. In order to support a toolbox or
building block approach, the two-layer model will be used to separate
the transport of the signaling from the application signaling. This
allows for a more general signaling protocol to be developed to
support signaling for different services or resources, such as NAT &
firewall traversal and QoS resources. The initial NSIS application
will be an optimized RSVP QoS signaling protocol. The second
application will be a middle box traversal protocol. An informational
document detailing how Differentiated Services can be signaled
with the QoS Signaling protocol will be made.
Security is a very important concern for NSIS. The working group will
study and analyze the threats and security requirements for
signaling. Compatibility with authentication and authorization
mechanisms such as those of Diameter, COPS for RSVP (RFC 2749) and
RSVP Session Authorization (RFC 3250), will be addressed.
It is a non-goal of the working group to develop new resource
allocation protocols. Traffic engineering is out of scope of this
WG. Additionally, third party signaling is out of scope of this WG.
New mobility and AAA protocols are out of scope of the WG.
However, the work produced in this Working Group should work with
existing IETF mobility and AAA protocols, including (but not limited
to)
Mobile IP, Seanoby Context Transfer, etc. An applicability statement
will be written to discuss the applicability of NSIS protocols in
mobile
environments.
NSIS also welcomes participation and expression of requirements
requirements from non-IETF standards organization members, for
instance 3GPP, 3GPP2 and ITU-T.
Goals and Milestones:
Done Submit 'Signaling Requirements' to IESG for publication as an
Informational RFC.
Done Submit 'Next Steps in Signaling: Framework' to IESG for
publication as Informational RFC
Done Submit 'Analysis of Existing Signaling Protocols' to IESG as
Informational RFC
Done Submit 'RSVP Security Properties' to IESG as Informational RFC
Done Submit 'NSIS Threats' to IESG as Informational RFC
Done Submit 'NSIS Transport Protocol' to IESG for publication for
Proposed Standard
Jun 2006 Submit 'NSIS QoS Specification Template' to IESG for
publication as an Informational RFC
Jun 2006 Submit 'NSIS QoS Application Protocol' to IESG for publication
for Proposed Standard
Jul 2006 Submit 'NSIS Middle Box Signaling Application Protocol' to IESG
for publication for Proposed Standard
Jul 2006 Submit 'Differentiated Service Signaling on the Internet' to
the IESG for publication as an Informational RFC
Jul 2006 Submit 'Y.1541 QoS Model' to the IESG for publication as an
Informational RFC
Nov 2006 Submit 'Applicability Statement of NSIS Protocols in Mobile
Environments' to the IESG as an Informational RFC
Dec 2006 Submit 'General Internet Signaling Transport protocol
implementation document' to the IESG for publication as an
Informational RFC
Internet-Drafts:
Posted Revised I-D Title
------ ------- --------------------------------------------
Sep 2003 Jun 2007
NSLP for Quality-of-Service Signaling
Oct 2003 Mar 2007
NAT/Firewall NSIS Signaling Layer Protocol (NSLP)
Oct 2003 Apr 2007
GIST: General Internet Signalling Transport
Sep 2004 Mar 2007
QoS NSLP QSPEC Template
Oct 2004 Mar 2007
Applicability Statement of NSIS Protocols in Mobile
Environments
Nov 2004 Mar 2007
RMD-QOSM - The Resource Management in Diffserv QOS Model
Jul 2005 Mar 2007
GIST State Machine
Aug 2005 Apr 2007
Y.1541-QOSM -- Y.1541 QoS Model for Networks Using Y.1541 QoS
Classes
Jun 2006 Mar 2007
NSIS Operation Over IP Tunnels
Jun 2006 Mar 2007
General Internet Signaling Transport (GIST) over SCTP
Request For Comments:
RFC Stat Published Title
------- -- ----------- ------------------------------------
RFC3583 I Sep 2003 Requirements of a Quality of Service (QoS)Solution for
Mobile IP
RFC3726 I Apr 2004 Requirements for Signaling Protocols
RFC4094 I May 2005 Analysis of Existing Quality of Service Signaling
Protocols
RFC4080 I Jun 2005 Next Steps in Signaling (NSIS): Framework
RFC4081 I Jun 2005 Security Threats for Next Steps in Signaling (NSIS)
RFC4230 I Dec 2005 RSVP Security Properties